<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>事件 演示</title>
    <style>
        div {
            border: 1px solid #ccc;
            margin: 10px 0;
            padding: 0 10px;
        }
    </style>
</head>

<body>
    <button id="btn1">一个按钮</button>

    <!-- <div id="div1">
            <p id="p1">激活</p>
            <p id="p2">取消</p>
            <p id="p3">取消</p>
            <p id="p4">取消</p>
        </div>
        <div id="div2">
            <p id="p5">取消</p>
            <p id="p6">取消</p>
        </div> -->

    <div id="div3">
        <a href="#">a1</a><br>
        <a href="#">a2</a><br>
        <a href="#">a3</a><br>
        <a href="#">a4</a><br>
        <button>加载更多...</button>
    </div>

    <script src="./event.js"></script>
</body>

</html>